20408049789

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{412109}}^1$

素因数の和:413100

約数の個数: 16

約数和(自身を含む): 28841106240

約数和(自身を除く): 8433056451

約数列:

[1, 3, 17, 51, 971, 2913, 16507, 49521, 412109, 1236327, 7005853, 21017559, 400157839, 1200473517, 6802683263, 20408049789]

約数ペア:

[(1, 20408049789), (3, 6802683263), (17, 1200473517), (51, 400157839), (971, 21017559), (2913, 7005853), (16507, 1236327), (49521, 412109)]